
Paper, cardboard, pulp, ceramics; Cement, starch, calcium carbonate, talcum powder and other powders.

● Determines the color and chromatic aberration reflected by an object
● Determination of D65 brightness (R457 blue whiteness)
● Determination of fluorescent brightener produced by emission of fluorescent substance (sample containing fluorescent brightener)
● Determination of CIE whiteness (Gantz whiteness W10 and skew value TW10)
● Determine the whiteness of ceramics, building materials and non-metallic mineral products
● Determine the whiteness of Hunt system Lab and Hunt Lab
● Determination of yellowness, ink absorption value
● Measure the opacity, transparency, light scattering coefficient and light absorption coefficient of the sample

● Advanced mechatronics design, truly realize the one-click test whiteness and chroma
● The reference sample can be physical objects or data. The instrument can store up to ten reference samples
● Can store 10 reference samples with power off protection, calibration data will not be lost after power off
● Cotex-M4 ARM processor
● Test data can be exported from USB flash drive
● The system and screen software can be upgraded through the network or USB flash drive
● Supports a variety of communication methods, online software (purchased separately) can be WIFI or USB communication
● Test data can be uploaded to the cloud server, and cooperate with the QMS paper quality management system (purchased separately) to monitor the paper test data in real time

GB/T 7973、GB/T 7974、GB/T 7975、GB/T 8940.2、GB/T 1840、GB/T 13025、GB/T5950
GB/T 9338、GB/T 4739、GB/T 1543、GB/T 10339、GB/T 12911、ISO 2470、ISO 2471

NO. | Name | Model | Picture | Standard | Optional |
1 | Flating Powder Holder | YT-QY | |
| √ |
2 | Fiber Sample Holder |
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| √ |

NO. | Parameter items | Technical Indicators |
1 | Power supply | AC(100~240)V,(50/60)Hz,50W |
2 | Working environment | Temperature: (10~35)°C, relative humidity≤ 85% |
3 | Display | 5-inch IPS high-definition screen, 800*480 resolution capacitive touch |
4 | Light source | Simulate D65 |
5 | Integrating sphere diameter | 150mm |
6 | Sample size | The test plane ≥ φ30mm, and the thickness ≤ 40mm |
7 | Resolution | The chrominance coordinates are 0.0001, and the rest are 0.01 |
8 | Zero drift | ≤0.1 |
9 | Indication drift | ≤0.1 |
10 | Accuracy of the indication | Chrominance coordinates ≤0.01 R457≤0.5 Y≤1.0 |
11 | Repeatability | R457≤0.1, Chrominance coordinates≤0.001,Y≤0.1,△E≤0.2 |
12 | Specular reflection | ≤0.2 |
13 | Print | Built-in thermal printer |
14 | Data export | Export data to USB flash drive |
15 | Communication interface | USB、WIFI(2.4G) |
16 | Dimensions | 385×280×410 mm |
17 | Net weight | 12.5kg |